Apsidal precession—The major axis of Moon's elliptical orbit rotates by one complete revolution once every 8.85 years in the same direction as the Moon's rotation itself.
The pH scale is used to measure how acidic or alkaline something is.
Hope that helped you!
BRAINLIEST??
Answer:
active transport
Explanation:
passive transport does not involve energy
C. Ca and Br because they're metals and nonmetals
It is called the periodic table